Psalm 105:10

and appointed the same unto Jacob for a law, and to Israel for an everlasting testament;

Genesis 17:7-8

Moreover, I will make my covenant between me, and thee, and thy seed after thee; in their times to be an everlasting testament, so that I will be God unto thee, and to thy seed after thee.

Genesis 28:13-15

Yea, and the LORD stood upon it and said, "I am the LORD God of Abraham thy father and the God of Isaac: The land which thou sleepest upon will I give thee and thy seed.

2 Samuel 23:5

And is not mine house so with God? In that he hath made with me an everlasting covenant, perfect in all points. And in that he shall fulfill all that is healthsome unto me, and all my desires thereto;

Hebrews 13:20

The God of peace that brought again from death our Lord Jesus Christ, the great shepherd of the sheep, through the blood of the everlasting testament,

Treasury of Scripture Knowledge

Summary

And confirmed the same unto Jacob for a law, and to Israel for an everlasting covenant:

Bible References

An everlasting

Genesis 17:7
Moreover, I will make my covenant between me, and thee, and thy seed after thee; in their times to be an everlasting testament, so that I will be God unto thee, and to thy seed after thee.
2 Samuel 23:5
And is not mine house so with God? In that he hath made with me an everlasting covenant, perfect in all points. And in that he shall fulfill all that is healthsome unto me, and all my desires thereto;
Hebrews 13:20
The God of peace that brought again from death our Lord Jesus Christ, the great shepherd of the sheep, through the blood of the everlasting testament,

General references

Genesis 13:15
for all the land which thou seest will I give unto thee and to thy seed for ever.
Deuteronomy 5:3
The LORD made not this covenant with our fathers, but with us: we are they, which are all here alive this day.
Micah 7:20
Thou shalt keep thy trust with Jacob, and thy mercy for Abraham, like as thou hast sworn unto our fathers long ago.
Luke 1:55
Even as he promised to our fathers, Abraham and to his seed forever."